有了前幾篇的基礎,現在可以正式開始onvif的實現工作,其中一項非常重要的部分就是視頻流的對接,即能夠在符合onvif標準的監控客戶端軟件裏接收到設備端NVT發來的RTSP視頻流。這裏,我所用的客戶端軟件是Onvif Device Manager v2.2。【來自http://blog.csdn.net/ghostyu】
ONVIF Profile S Specification文檔描述了Device或者說DVT和Client可以使用的一種Profile,Profile這個詞在計算機領域非常常見,我們可以理解成一種方案、配置、框架等。
文檔裏描述瞭如果實現VideoStream,device和client應該具備的條件,當然如果實現文檔的所有條件,就可以說該設備符合Profile S
如果單純實現VideoStream,只需完成下列命令。
- 1、GetProfiles
- 2、GetStreamUri
- 填充rtsp路徑,例如:rtsp://192.168.1.201/petrov.m4e
- 3、Media Streaming using RTSP
- 這裏使用開源的live555,完成rtsp功能
- 4、GetVideoEncoderConfiguration
- 5、GetVideoEncoderConfigurationOptions
- 6、GetCapabilities
- NVC爲了獲取DVT所支持的功能的命令
參考文檔:
- 1、ONVIF Profile S Specification
- 描述ProfileS是什麼樣的一個東西,如何實現
- 2、Reference_of_ONVIF_Development_v1.01.02
- Onvif DVT設計參考,指明瞭一條道路,但沒有具體內容
- 3、ONVIF-Media-Service-Spec-v220
- Onvif Media的說明介紹
- 4、http://www.onvif.org/onvif/ver20/util/operationIndex.html
- onvif幾乎全部命令的詳細說明,非常重要。該文檔告訴我們結構體成員的意義和如何填充。Onvif開發其實就是各種結構體的填充。
一、產生onvif源碼框架
1、從wsdl生成C頭文件
- wsdl2h -o onvif.h -c -s -t .\typemap.dat http://www.onvif.org/onvif/ver10/device/wsdl/devicemgmt.wsdl http://www.onvif.org/onvif/ver10/event/wsdl/event.wsdl http://www.onvif.org/onvif/ver10/display.wsdl http://www.onvif.org/onvif/ver10/deviceio.wsdl http://www.onvif.org/onvif/ver20/imaging/wsdl/imaging.wsdl http://www.onvif.org/onvif/ver10/media/wsdl/media.wsdl http://www.onvif.org/onvif/ver20/ptz/wsdl/ptz.wsdl http://www.onvif.org/onvif/ver10/receiver.wsdl http://www.onvif.org/onvif/ver10/recording.wsdl http://www.onvif.org/onvif/ver10/search.wsdl http://www.onvif.org/onvif/ver10/network/wsdl/remotediscovery.wsdl http://www.onvif.org/onvif/ver10/replay.wsdl http://www.onvif.org/onvif/ver20/analytics/wsdl/analytics.wsdl http://www.onvif.org/onvif/ver10/analyticsdevice.wsdl http://www.onvif.org/onvif/ver10/schema/onvif.xsd http://www.onvif.org/ver10/actionengine.wsdl
2、從頭文件生成源碼框架
- soapcpp2 -c onvif.h -x -I /root/onvif/gsoap-2.8/gsoap/import -I /root/onvif/gsoap-2.8/gsoap/
二、創建soap運行環境
- int main(int argc, char **argv)
- {
- int m, s;
- struct soap add_soap;
- int server_udp;
- server_udp = create_server_socket_udp();
- //bind_server_udp1(server_udp);
- pthread_t thrHello;
- pthread_t thrProbe;
- //pthread_create(&thrHello,NULL,main_Hello,server_udp);
- //sleep(2);
- pthread_create(&thrProbe,NULL,main_Probe,server_udp);
- soap_init(&add_soap);
- soap_set_namespaces(&add_soap, namespaces);
- if (argc < 0) {
- printf("usage: %s <server_port> \n", argv[0]);
- exit(1);
- } else {
- m = soap_bind(&add_soap, NULL, 80, 100);
- if (m < 0) {
- soap_print_fault(&add_soap, stderr);
- exit(-1);
- }
- fprintf(stderr, "Socket connection successful: master socket = %d\n", m);
- for (;;) {
- s = soap_accept(&add_soap);
- if (s < 0) {
- soap_print_fault(&add_soap, stderr);
- exit(-1);
- }
- fprintf(stderr, "Socket connection successful: slave socket = %d\n", s);
- soap_serve(&add_soap);
- soap_end(&add_soap);
- }
- }
- return 0;
- }
三、RTSP視頻對接
1、實現GetCapabilities命令
客戶端發送GetCapabilities命令來得到設備端的能力,然後依據GetCapabilities返回的結果再來進行下一步操作
在__tds__GetCapabilities函數中我們只需要填充Media部分和一些必要的即可
- //想要對接RTSP視頻,必須設置Media
- tds__GetCapabilitiesResponse->Capabilities->Media = (struct tt__MediaCapabilities*)soap_malloc(soap, sizeof(struct tt__MediaCapabilities));
- tds__GetCapabilitiesResponse->Capabilities->Media->XAddr = (char *) soap_malloc(soap, sizeof(char) * LARGE_INFO_LENGTH);
- strcpy(tds__GetCapabilitiesResponse->Capabilities->Media->XAddr, _IPv4Address);
- tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities = (struct tt__RealTimeStreamingCapabilities*)soap_malloc(soap, sizeof(struct tt__RealTimeStreamingCapabilities));
- tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->RTPMulticast = (int *)soap_malloc(soap, sizeof(int));
- *tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->RTPMulticast = _false;
- tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->RTP_USCORETCP = (int *)soap_malloc(soap, sizeof(int));
- *tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->RTP_USCORETCP = _true;
- tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->RTP_USCORERTSP_USCORETCP = (int *)soap_malloc(soap, sizeof(int));
- *tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->RTP_USCORERTSP_USCORETCP = _true;
- tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->Extension = NULL;
- tds__GetCapabilitiesResponse->Capabilities->Media->Extension = NULL;
- tds__GetCapabilitiesResponse->Capabilities->Media->__size = 0;
- tds__GetCapabilitiesResponse->Capabilities->Media->__any = 0;
- //下面的重要,這裏只實現視頻流,需要設置VideoSources
- tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->VideoSources = TRUE;
- tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->VideoOutputs = FALSE;
- tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->AudioSources = FALSE;
- tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->AudioOutputs = FALSE;
- tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->RelayOutputs = FALSE;
- tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->__size = 0;
- tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->__any = NULL;
- tds__GetCapabilitiesResponse->Capabilities->Extension->Display = NULL;
- tds__GetCapabilitiesResponse->Capabilities->Extension->Recording = NULL;
- tds__GetCapabilitiesResponse->Capabilities->Extension->Search = NULL;
- tds__GetCapabilitiesResponse->Capabilities->Extension->Replay = NULL;
- tds__GetCapabilitiesResponse->Capabilities->Extension->Receiver = NULL;
- tds__GetCapabilitiesResponse->Capabilities->Extension->AnalyticsDevice = NULL;
- tds__GetCapabilitiesResponse->Capabilities->Extension->Extensions = NULL;
- tds__GetCapabilitiesResponse->Capabilities->Extension->__size = 0;
- tds__GetCapabilitiesResponse->Capabilities->Extension->__any = NULL;
2、實現GetServices命令
- int __tds__GetServices(struct soap* soap, struct _tds__GetServices *tds__GetServices, struct _tds__GetServicesResponse *tds__GetServicesResponse)
- {
- DBG("__tds__GetServices\n");
- /*該函數很必要*/
- char _IPAddr[INFO_LENGTH];
- int i = 0;
- sprintf(_IPAddr, "http://%03d.%03d.%03d.%03d/onvif/services", 192, 168, 1, 233);
- tds__GetServicesResponse->__sizeService = 1;
- tds__GetServicesResponse->Service = (struct tds__Service *)soap_malloc(soap, sizeof(struct tds__Service));
- tds__GetServicesResponse->Service[0].XAddr = (char *)soap_malloc(soap, sizeof(char) * INFO_LENGTH);
- tds__GetServicesResponse->Service[0].Namespace = (char *)soap_malloc(soap, sizeof(char) * INFO_LENGTH);
- strcpy(tds__GetServicesResponse->Service[0].Namespace, "http://www.onvif.org/ver10/events/wsdl");
- strcpy(tds__GetServicesResponse[0].Service->XAddr, _IPAddr);
- tds__GetServicesResponse->Service[0].Capabilities = NULL;
- tds__GetServicesResponse->Service[0].Version = (struct tt__OnvifVersion *)soap_malloc(soap, sizeof(struct tt__OnvifVersion));
- tds__GetServicesResponse->Service[0].Version->Major = 0;
- tds__GetServicesResponse->Service[0].Version->Minor = 3;
- tds__GetServicesResponse->Service[0].__any = (char **)soap_malloc(soap, sizeof(char *));
- tds__GetServicesResponse->Service[0].__any[0] = (char *)soap_malloc(soap, sizeof(char) * INFO_LENGTH);
- strcpy(tds__GetServicesResponse->Service[0].__any[0],"why1");
- tds__GetServicesResponse->Service[0].__any[1] = (char *)soap_malloc(soap,sizeof(char) * INFO_LENGTH);
- strcpy(tds__GetServicesResponse->Service[0].__any[1],"why2");
- tds__GetServicesResponse->Service[0].__size = NULL;
- tds__GetServicesResponse->Service[0].__anyAttribute = NULL;
- return SOAP_OK;
- }
3、實現GetVideoSources命令
- int __tmd__GetVideoSources(struct soap* soap, struct _trt__GetVideoSources *trt__GetVideoSources, struct _trt__GetVideoSourcesResponse *trt__GetVideoSourcesResponse)
- {
- DBG("__tmd__GetVideoSources\n");
- int size1;
- size1 = 1;
- trt__GetVideoSourcesResponse->__sizeVideoSources = size1;
- trt__GetVideoSourcesResponse->VideoSources = (struct tt__VideoSource *)soap_malloc(soap, sizeof(struct tt__VideoSource) * size1);
- trt__GetVideoSourcesResponse->VideoSources[0].Framerate = 30;
- trt__GetVideoSourcesResponse->VideoSources[0].Resolution = (struct tt__VideoResolution *)soap_malloc(soap, sizeof(struct tt__VideoResolution));
- trt__GetVideoSourcesResponse->VideoSources[0].Resolution->Height = 720;
- trt__GetVideoSourcesResponse->VideoSources[0].Resolution->Width = 1280;
- trt__GetVideoSourcesResponse->VideoSources[0].token = (char *)soap_malloc(soap, sizeof(char)*INFO_LENGTH);
- strcpy(trt__GetVideoSourcesResponse->VideoSources[0].token,"GhostyuSource_token"); //注意這裏需要和GetProfile中的sourcetoken相同
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging =(struct tt__ImagingSettings*)soap_malloc(soap, sizeof(struct tt__ImagingSettings));
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Brightness = (float*)soap_malloc(soap,sizeof(float));
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Brightness[0] = 128;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->ColorSaturation = (float*)soap_malloc(soap,sizeof(float));
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->ColorSaturation[0] = 128;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Contrast = (float*)soap_malloc(soap,sizeof(float));
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Contrast[0] = 128;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->IrCutFilter = (int *)soap_malloc(soap,sizeof(int));
- *trt__GetVideoSourcesResponse->VideoSources[0].Imaging->IrCutFilter = 0;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Sharpness = (float*)soap_malloc(soap,sizeof(float));
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Sharpness[0] = 128;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->BacklightCompensation = (struct tt__BacklightCompensation*)soap_malloc(soap, sizeof(struct tt__BacklightCompensation));
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->BacklightCompensation->Mode = 0;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->BacklightCompensation->Level = 20;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Exposure = NULL;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Focus = NULL;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WideDynamicRange = (struct tt__WideDynamicRange*)soap_malloc(soap, sizeof(struct tt__WideDynamicRange));
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WideDynamicRange->Mode = 0;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WideDynamicRange->Level = 20;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WhiteBalance = (struct tt__WhiteBalance*)soap_malloc(soap, sizeof(struct tt__WhiteBalance));
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WhiteBalance->Mode = 0;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WhiteBalance->CrGain = 0;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WhiteBalance->CbGain = 0;
- trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Extension = NULL;
- trt__GetVideoSourcesResponse->VideoSources[0].Extension = NULL;
- return SOAP_OK;
- }
4、實現GetProfiles命令
- size = 1;
- trt__GetProfilesResponse->Profiles =(struct tt__Profile *)soap_malloc(soap, sizeof(struct tt__Profile) * size);
- trt__GetProfilesResponse->__sizeProfiles = size;
- i=0;
- trt__GetProfilesResponse->Profiles[i].Name = (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);
- strcpy(trt__GetProfilesResponse->Profiles[i].Name,"my_profile");
- trt__GetProfilesResponse->Profiles[i].token= (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);
- strcpy(trt__GetProfilesResponse->Profiles[i].token,"token_profile");
- trt__GetProfilesResponse->Profiles[i].fixed = _false;
- trt__GetProfilesResponse->Profiles[i].__anyAttribute = NULL;
先給VideoSourceConfiguration分配空間
- trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration = (struct tt__VideoSourceConfiguration *)soap_malloc(soap,sizeof(struct tt__VideoSourceConfiguration ));
- trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Name = (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);
- trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->token = (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);
- trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->SourceToken = (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);
- trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Bounds = (struct tt__IntRectangle *)soap_malloc(soap,sizeof(struct tt__IntRectangle));
- /*注意SourceToken*/
- strcpy(trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Name,"VS_Name");
- strcpy(trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->token,"VS_Token");
- strcpy(trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->SourceToken,"GhostyuSource_token"); /*必須與__tmd__GetVideoSources中的token相同*/
- trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->UseCount = 1;
- trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Bounds->x = 1;
- trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Bounds->y = 1;
- trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Bounds->height = 720;
- trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Bounds->width = 1280;
下面是VideoEncoderConfiguration
- trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration = (struct tt__VideoEncoderConfiguration *)soap_malloc(soap,sizeof(struct tt__VideoEncoderConfiguration));
- trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Name = (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);
- trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->token= (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);
- strcpy(trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Name,"VE_Name1");
- strcpy(trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->token,"VE_token1");
- trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->UseCount = 1;
- trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Quality = 10;
- trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Encoding = 1;//JPEG = 0, MPEG4 = 1, H264 = 2;
- trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Resolution = (struct tt__VideoResolution *)soap_malloc(soap, sizeof(struct tt__VideoResolution));
- trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Resolution->Height = 720;
- trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Resolution->Width = 1280;
- trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->RateControl = (struct tt__VideoRateControl *)soap_malloc(soap, sizeof(struct tt__VideoRateControl));
- trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->RateControl->FrameRateLimit = 30;
- trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->RateControl->EncodingInterval = 1;
- trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->RateControl->BitrateLimit = 500;
5、GetVideoSourceConfiguration和GetVideoEncoderConfiguration
- int __trt__GetVideoSourceConfiguration(struct soap* soap, struct _trt__GetVideoSourceConfiguration *trt__GetVideoSourceConfiguration, struct _trt__GetVideoSourceConfigurationResponse *trt__GetVideoSourceConfigurationResponse)
- {
- DBG("__trt__GetVideoSourceConfiguration\n");
- //該函數必要,live video需要
- return SOAP_OK;
- }
- int __trt__GetVideoEncoderConfiguration(struct soap* soap, struct _trt__GetVideoEncoderConfiguration *trt__GetVideoEncoderConfiguration, struct _trt__GetVideoEncoderConfigurationResponse *trt__GetVideoEncoderConfigurationResponse)
- {
- DBG("__trt__GetVideoEncoderConfiguration\n");
- return SOAP_OK;
- }
6、GetVideoEncoderConfigurationOptions
- int __trt__GetVideoEncoderConfigurationOptions(struct soap* soap, struct _trt__GetVideoEncoderConfigurationOptions *trt__GetVideoEncoderConfigurationOptions, struct _trt__GetVideoEncoderConfigurationOptionsResponse *trt__GetVideoEncoderConfigurationOptionsResponse)
- {
- DBG("__trt__GetVideoEncoderConfigurationOptions\n");
- //該函數必要,video streaming需要
- return SOAP_OK;
- }
四、運行live555MediaServer服務器
live555官網有很多測試文件,我這裏用的是MPEG4的測試文件路勁爲rtsp://192.168.1.201/petrov.m4e
五、啓動Onvif Device Manager測試
有一個問題,OnvifDeviceManager的並不能自動發現設備(OnvifTestTool可以),還好它提供了手動添加功能
單擊add,添加如下內容:http://192.168.1.233/onvif/device_service
注意,我在程序中固定了兩個IP:linux192.168.1.233,windows:192.168.1.201,這裏需看情況修改
測試截圖:
1、Live video
2、Video streaming
3、Profiles
最後是運行的live555 rtsp服務器
終端打印的DEBUG信息
源代碼下載地址:http://download.csdn.net/detail/ghostyu/4796093
【來自http://blog.csdn.net/ghostyu,ghostyu#163.com】